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1983.06 Institute of Chemistry Henan Academy of Sciences, Coordination Chemistry Laboratory

1992.12  Institute of Chemistry Henan Academy of Sciences, Henan Molecular Science Laboratory

1996.11 Institute of Chemistry Henan Academy of Sciences, Electronic Chemicals Laboratory

2015.11 Zhengzhou Kingorgchem Chemical Technology Co., Ltd./ Henan Academy of Sciences Electronic Chemicals Innovation Research Center/ Organophosphorus Chemistry Lab